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Author Question: A function f(x) is continuous at a point a if: a.f''(a) exists. b.f'(a) exists. c. ... (Read 80 times)

laurencescou

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on: Aug 1, 2018
A function f(x) is continuous at a point a if:
  a.f''(a) exists.
  b.f'(a) exists.
  c.
  d.

Question 2

Let f(x,y)=40x-3e-1/2 y then ________.
  a.-20x-3e-1/2 y.
  b.-120x-4e-1/2 y.
  c.-80x-3e-1/2 y.
  d.-60x-4e-1/2 y.


Bsand8

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Reply #1 on: Aug 1, 2018
Answer to Question 1

correct: d

Answer to Question 2

correct: a


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